Otherwise the new&shiny irq-driven gmbus and dp aux code won't work that
well. Noticed since the dp aux code doesn't have an automatic fallback
with a timeout (since the hw provides for that already).
v2: Simple move drm_irq_install before intel_modeset_gem_init, as
suggested by Ben Widawsky.
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/i915_dma.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 2c09900..068b49b 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1325,12 +1325,14 @@ static int i915_load_modeset_init(struct drm_device
*dev)
if (ret)
goto cleanup_gem_stolen;
- intel_modeset_gem_init(dev);
-
ret = drm_irq_install(dev);
if (ret)
goto cleanup_gem;
+ /* Important: The output setup functions called by modeset_gem_init need
+ * working irqs for e.g. gmbus transfers. */
+ intel_modeset_gem_init(dev);
+
/* Always safe in the mode setting case. */
/* FIXME: do pre/post-mode set stuff in core KMS code */
dev->vblank_disable_allowed = 1;
--
1.7.11.2
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